Credit: FRANCIS LEROY & VALERIE ROUVROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY

Caption: Haploid-diploid sexual cycle. Animation of the life cycle in sexual reproduction, showing the changes between haploid and diploid states, via the processes of meiosis and fertilization. In sexual reproduction, haploid cells or haploid organisms (n) alternate with diploid cells or diploid organisms (2n). But, in different organisms these pathways can considerably vary in proportion around this cycle. The stages shown in this cycle include pluricellular (multicellular) organisms, and zygotes, gametes, and germinal cells. Meiosis and mitosis are forms of cell division. Fertilisation is the fusion of gametes to form a zygote. The zygotes develop into the adult organism, which produces gametes or germinal cells to continue the cycle.

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Keywords: 2n, biological, biology, cell biology, cell division, cellular, cycles, diploid, fertilisation, fertilization, gametes, genetic, genetics, germinal cells, haploid, label, labeled, labelled, labels, life cycle, meiosis, meiotic, mitosis, mitotic, multicellular, organisms, pluricellular, reproduction, reproductive, sex, sexual, stages, text, zygotes

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Haploid-diploid sexual cycle

K004/2002 Rights Managed

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Duration: 00:00:48.14

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 239.1M

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Capture format: QuickTime Animation

Codec: H.264

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